Advertisement
P
RO TECTION LED C OMES ON W H EN T H E A MP LI F I E R IS PO WE R E D UP
Check for shorts on speaker leads.
Check that the volume control on the head unit is turned down low.
Remove speaker leads and reset the amplifier. If the Protection LED still comes
on then the amplifier is faulty.
A
M PL IFIER(S) GET S V ERY H OT .
Check that the minimum speaker impedance for that model is correct.
nimum spe
Check for speaker shorts.
er sh
Check that there is good airflow around the amplifier. In some applications, an
ere is good airf
external cooling fan may be required.
ing fan may be
D
ISTOR TED SOU ND
OUN
Check that the Level control(s) is set to match the signal level of the head unit.
t the
Check that all crossover frequencies have been properly set.
at all
Check for shorts on the speaker leads.
r shorts on the speake
H
IG H SQUEAL NOISE F R OM S P EAK ERS .
U EAL NOI S E FROM S PEA KE
This is always caused by a poorly-grounded RCA patch c
This is always caused by a poorly-grounded RCA patch cord.
V
O
M
I B E
W N E R ' S
A N U A L
—
1 3
Advertisement
